Windows 7 downgrade support

Sony recommends to use the preinstalled Windows 8 Operating System on your VAIO.

In case you nevertheless would want to downgrade to Windows 7 Operating System (64bit version), we have released the necessary drivers, utilities, and hardware settings info to install after downgrading.

1. Important to read before considering a Windows 7 downgrade

Before downgrading, it is important to keep the following in mind.

Downgrading to Windows 7 is only possible to the following VAIO models: SVE15, SVE17, SVS13, SVS15, SVF14, SVF15, SVP1321 and SVP1121 series.

You will need to obtain Windows 7 from anauthorized Microsoft retaileror directly from Microsoft. Sony will NOT provide Windows 7 directly and will NOT reimburse the cost of acquiring Windows 7.

Performing the downgrade requires a clean installation of the Windows 7 Operating System, which will remove all current contents such as files and programs from your harddrive. It is strongly recommended to backup your data to an external drive or media such as flash drive, Memory Stick® or DVD.

Performing the downgrade may result in the loss of some functionality. Please carefully read section 3 below.

2. Where can I get Windows 7 drivers and utilities?

Under the [Download] tab of the applicable model, select Windows 7 in the Preinstalled downloads section. If the Windows 7 option is not available, the model is not supported for downgrade.

Sony advises to download all Windows 7 drivers and utilities applicable to your model to an external media or USB flash driver before performing a clean installation of Windows 7.

3. Possible loss of functionality

All series

The released Windows 7 drivers and utilities are for the 64bit version of Windows 7 Operating System, they may not function properly with 32bit versions.

You will not be able to control Wireless Devices with VAIO Smart Network after Windows downgrade.

SVS13 series

The embedded WWAN module will not function after Windows 7 downgrade. If you need to use your WWAN module, we recommend not to perform the downgrade.